is power steering cooler necessary? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

smittster · 10-07-2018, 06:45 PM

Using 5.3l L59. I will not be towing or racing the truck, just recreational cruising. Is a power steering cooler needed?

**mongocanfly** · 10-07-2018, 07:55 PM

When i got my lq9 it came with a cooler...so i used it...but im running hydroboost so im guessing thats why the cooler...

homemade87 · 10-08-2018, 07:54 AM

Quote:

Originally Posted by smittster

Using 5.3l L59. I will not be towing or racing the truck, just recreational cruising. Is a power steering cooler needed?

Done several swaps over the years and have had no problems or ill affects . From the driving you are talking about I don't think you need one . The metal reservoir on the truck pumps will usually do . I have a corvette set up with the remote plastic reservoir on one of my swaps with no problems also .

Towing or straight line racing will not really affect it . Its the constant turning back and forth that will heat the fluid .

Jstock85 · 10-09-2018, 08:04 AM

Ive never used one either. Just a DD and no problems.

NC_John · 10-09-2018, 11:39 AM

GM has coolers on there because of the inefficient design of the pump, not because of anything else. The type p-pump (ham can the trucks use) has a ton of bypass which heats up the fluid too much, making the cooler a necessity. The overassist also robs HP as well.

I converted to a type II pump which made it a much more efficient and better feeling (steering, not emotional) setup.

smittster · 10-09-2018, 02:02 PM

Thanks for the responses. I am not running the stock PS pump. I am using a Holley pump. I will look into the holley pump requirements.

NC_John · 10-09-2018, 02:07 PM

Quote:

Originally Posted by smittster

Thanks for the responses. I am not running the stock PS pump. I am using a Holley pump. I will look into the holley pump requirements.

I didn't know holley had a pump but its likely based on the type II design and most likely will not need a cooler. If you are going to autocross or track day it, it'd be a good addition but not really necessary for the street.

**truckdude239** · 10-13-2018, 09:07 AM

Nope i dont have one lol

**Mr_Rich** · 10-13-2018, 05:31 PM

Adding a PS cooler is not a bad idea to tell the truth. On cars with LS engines like Camaros and Firebirds I've seen where the fluid actually boils out of the reservoir. I haven't added one to mine but I should. It has gotten close to that point. Flushing burned fluid in not a bad idea either.

10-07-2018, 06:45 PM	#1
smittster Registered User Join Date: Dec 2008 Location: Oklahoma City Posts: 96	is power steering cooler necessary? Using 5.3l L59. I will not be towing or racing the truck, just recreational cruising. Is a power steering cooler needed?

10-07-2018, 07:55 PM	#2
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,581	Re: is power steering cooler necessary? When i got my lq9 it came with a cooler...so i used it...but im running hydroboost so im guessing thats why the cooler... __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

10-09-2018, 08:04 AM	#4
Jstock85 Registered User Join Date: Jul 2016 Location: Brandon,MS Posts: 489	Re: is power steering cooler necessary? Ive never used one either. Just a DD and no problems.

10-09-2018, 11:39 AM	#5
NC_John Registered User Join Date: Jul 2013 Location: Rockwell, NC Posts: 1,639	Re: is power steering cooler necessary? GM has coolers on there because of the inefficient design of the pump, not because of anything else. The type p-pump (ham can the trucks use) has a ton of bypass which heats up the fluid too much, making the cooler a necessity. The overassist also robs HP as well. I converted to a type II pump which made it a much more efficient and better feeling (steering, not emotional) setup. __________________ 1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10

10-09-2018, 02:02 PM	#6
smittster Registered User Join Date: Dec 2008 Location: Oklahoma City Posts: 96	Re: is power steering cooler necessary? Thanks for the responses. I am not running the stock PS pump. I am using a Holley pump. I will look into the holley pump requirements.

10-13-2018, 09:07 AM	#8
truckdude239 Senior Member Join Date: Sep 2005 Location: Lewisville, Nc Posts: 10,217	Re: is power steering cooler necessary? Nope i dont have one lol __________________ David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube

10-13-2018, 05:31 PM	#9
Mr_Rich Registered User Join Date: May 2006 Location: Santa Maria, Calif. Posts: 781	Re: is power steering cooler necessary? Adding a PS cooler is not a bad idea to tell the truth. On cars with LS engines like Camaros and Firebirds I've seen where the fluid actually boils out of the reservoir. I haven't added one to mine but I should. It has gotten close to that point. Flushing burned fluid in not a bad idea either. __________________ 1989 K1500 Chev. EC Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit. 2009 Hummer H3T 3.7L 5M (sold) 1997 K2500 Chev. EC 7.4L/ 4L80E 2018 Dodge Ram 2500 HD R/C



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